Updated September 11, 2026
Ahrefs
Semrush
Ahrefs vs Semrush 2026 Comparison
Compare Ahrefs and Semrush on pricing, free trials, features, support, and true cost. Find the SEO tool that actually fits a small business in under three minutes.
For most small business founders, Semrush is the better pick. It bundles SEO, PPC, content marketing, and social tracking in one tool, offers a 7 day free trial, and avoids the credit limits that frustrate Ahrefs users on lower tiers. Ahrefs wins for link building specialists, agencies, and teams who want privately held, founder led product direction and the deepest historical backlink data.
Ahrefs and Semrush are the two SEO tools every founder short lists when they are ready to invest in keyword research, backlinks, and competitor data. Ahrefs is the privately held link building specialist, founder led since 2011, famous for a 35 trillion backlink index and a strict credit based pricing model. Semrush is the all in one marketing platform with 80 integrations. Adobe bought it on April 28, 2026 for $1.9 billion in cash, $12 a share.
We researched both as of April 17, 2026. Ahrefs starts at $29 per month on Starter and runs to $1,499 per month on Enterprise, with no free trial on any paid plan. Semrush Pro starts at $139.95 per month with a 7 day free trial, scaling to Business at $499.95 per month. The choice is less about who has better data and more about who you are, a link building specialist who lives in Site Explorer, or a small business owner who wants keywords, PPC, content, and social in one subscription.
Which one to pick
Solo founder just starting SEO on one site
Pick, SemrushSemrush Pro at $139.95/mo covers keyword research, site audit, and PPC data in one tool with a 7 day trial to test first
Freelance SEO consultant handling 5 to 10 client sites
Pick, AhrefsAhrefs Standard at $249/mo (annual $208/mo) unlocks unlimited credits and 20 projects, cheaper per site than Semrush Guru at $249.95/mo with 15 projects
Content marketer who cares about topic research and briefs
Pick, SemrushSemrush Guru at $249.95/mo includes the Content Marketing Toolkit and SEO Writing Assistant, Ahrefs sells content AI separately as Brand Radar from $199/mo
Link builder or digital PR specialist
Pick, AhrefsAhrefs Site Explorer remains the category gold standard for backlink research, broken link outreach, and historical link data
Team of 3 or more users needing shared dashboards
TieBoth charge per extra seat ($40 to $100/mo on Ahrefs, $45 to $100/mo on Semrush). Pick the one your team already knows, switching costs more than the seat fees
E commerce founder tracking competitors and paid ads
Pick, SemrushSemrush Pro covers PPC keyword research, Advertising Research, and Display Advertising Research, Ahrefs has no native PPC research
Pricing side by side
Plans side by side
| Plan | Ahrefs | Semrush |
|---|---|---|
| Free tier | $0/mo (Webmaster Tools) Ahrefs Webmaster Tools, verified site owners only, 5,000 crawl credits and limited Site Explorer | $0/mo (limited) Semrush free plan, 10 keyword tracking, 100 results per report, no credit card required |
| Entry paid plan | $29/mo Ahrefs Starter, 1 project, 50 tracked keywords, 25,000 crawl credits, no historical data | $139.95/mo Semrush Pro, 5 projects, 500 keywords tracked, 100,000 pages crawled, 7 day free trial |
| Mid tier | $129/mo ($108/mo annual) Ahrefs Lite, 5 projects, 750 keywords, 100,000 credits, 500 monthly credits per user (cap) | $249.95/mo ($208.33/mo annual) Semrush Guru, 15 projects, 1,500 keywords, Content Marketing Toolkit, historical data |
| Popular tier | $249/mo ($208/mo annual) Ahrefs Standard, 20 projects, 2,000 keywords, unlimited credits, 2 years history | $499.95/mo ($416.66/mo annual) Semrush Business, 40 projects, 5,000 keywords, API access, Share of Voice |
| Top tier | $1,499/mo ($1,249/mo annual) Ahrefs Enterprise, 100 projects, 10,000 keywords, 5M credits, API and SSO | Custom (Enterprise) Semrush Enterprise, quote only, includes custom API limits and dedicated support |
| Annual billing discount | Up to 17% off Save 17% on Lite and above, Starter stays $29/mo | Up to 17% off Pro drops to $117.33/mo, Guru to $208.33/mo, Business to $416.66/mo |
| Free trial on paid plans | None Ahrefs has no trial on any paid tier, strict no refund policy | 7 days free Semrush trial applies to Pro or Guru, full features, cancel before day 7 to avoid charge |
| Extra user seat | $40 to $100/mo Scales with plan, Lite adds $40/mo per extra power user, Enterprise $100/mo | $45 to $100/mo Pro adds $45/mo per seat, Business $100/mo, budget before onboarding a team |
| API access | Enterprise only, $1,499/mo Separate Ahrefs API subscription available from $500/mo on lower tiers | Business tier, $499.95/mo Semrush API included on Business, no separate SKU |
| AI add on | Brand Radar from $199/mo Ahrefs sells AI search visibility tracking as a standalone subscription | Semrush Copilot included Semrush Copilot ships on every paid plan at no extra charge |
Total cost by scenario
| Profile | Timeframe | Ahrefs | Semrush |
|---|---|---|---|
| Solo founder, first year SEO on one site | 12 months | $348 to $1,548 | $1,408 to $1,679 Method. Ahrefs Starter at $29/mo times 12 is $348, Ahrefs Lite at $129/mo times 12 is $1,548 or $1,296 on annual. Semrush Pro at $139.95/mo times 12 is $1,679, or $1,408 on annual ($117.33/mo times 12). Semrush starts higher but includes PPC and content marketing modules that Ahrefs does not. If the founder only wants SEO, Ahrefs Lite wins on TCO. If they want SEO plus PPC plus content, Semrush Pro is the single subscription answer. |
| Freelance consultant managing 5 to 10 client sites | 36 months | $7,488 to $16,128 | $7,500 to $14,999.40 Method. Ahrefs Standard at $249/mo times 36 is $8,964 or $7,488 on annual. Ahrefs Advanced at $449/mo times 36 is $16,128 or $13,464 on annual, needed if the consultant manages more than 20 projects. Semrush Guru at $249.95/mo times 36 is $8,998 or $7,500 on annual, 15 projects. Semrush Business at $499.95/mo times 36 is $17,998 or $14,999.40 on annual, 40 projects. On unlimited credits per user Ahrefs Standard matches Semrush Guru on price, Semrush wins on the added PPC, content, and social modules. |
| In house team of 3 users at a growth stage startup | 36 months | $10,944 to $22,464 | $10,319 to $21,599 Method. Ahrefs Standard at $249/mo times 36 plus 2 extra power users at $60/mo each times 36 is $10,944, Ahrefs Advanced at $449/mo plus 2 extra seats at $80/mo each times 36 is $22,464. Semrush Guru at $249.95/mo times 36 plus 2 extra seats at $35/mo each times 36 (Guru seat rate) is $11,518. Semrush Business at $499.95/mo plus 2 extra seats at $80/mo each times 36 is $23,758. On annual pricing Semrush Guru drops to $10,319. A 3 person team on SEO plus PPC plus content leans Semrush for feature breadth, a link building focused team stays on Ahrefs. |
Feature comparison
| Feature | Ahrefs | Semrush |
|---|---|---|
| Backlink index size Semrush has overtaken Ahrefs on the headline figure as of 2026, though both refresh frequently and claim industry leadership. Reddit SEO thread consensus is that Ahrefs data quality remains the category benchmark, Semrush quantity is higher. | 35 trillion links | 43 trillion links |
| Keyword database Ahrefs covers more search engines natively, Semrush focuses on Google and Bing. For US small business SEO the overlap is ~95 percent. | 29 billion keywords across 10 search engines | 26.8 billion keywords |
| Free plan Ahrefs Webmaster Tools is the more generous free product, but only for sites you can verify ownership of. Semrush free plan is open to anyone with a 10 keyword limit. | Yes (Webmaster Tools, verified site owners only) | Yes (limited, public) |
| Free trial on paid plans Semrush is the only one of the two with a real trial on Pro or Guru. Ahrefs relies on the free Webmaster Tools tier as the trial substitute. | 7 days | |
| Entry plan monthly price Ahrefs Starter is the lowest entry in the category. Semrush has no equivalent tier below Pro. | $29/mo Starter | $139.95/mo Pro |
| Realistic small business tier Similar monthly cost. Ahrefs Lite includes a hard 500 monthly credit cap per user that limits research sessions. Semrush Pro has no credit system on any paid plan. | $129/mo Lite (capped credits) | $139.95/mo Pro (no credits) |
| Native PPC research Semrush includes Advertising Research, Display Advertising Research, and PLA Research on every paid plan. Ahrefs has no native paid ads research tool. | ||
| Content Marketing Toolkit Semrush Guru ships Topic Research, SEO Writing Assistant, and Content Audit. Ahrefs AI content is a separate subscription. | Paid add on (Brand Radar from $199/mo) | Included on Guru and above |
| Social media tracking Semrush Social is included on Guru and above, covers scheduling, analytics, and competitor tracking. Ahrefs does not cover social. | ||
| Daily rank tracking Semrush ships daily updates at the Pro tier. Ahrefs requires Advanced ($449/mo) for daily rank refresh. | Weekly on most tiers, daily on Advanced and Enterprise | Daily on every paid plan |
| API access Semrush API is roughly a third of the Ahrefs API cost when you need both SERP and volume data. | Enterprise only ($1,499/mo) or standalone $500+/mo | Business tier ($499.95/mo) |
| Integrations Semrush integrates with more martech tools including Marketo and HubSpot natively, Ahrefs covers the essentials (Looker Studio, Search Console, Google Analytics). | 35 | 80 |
| 24/7 phone support Semrush ships 24/7 phone support on all paid plans. Ahrefs support is chat and email only, with slow response times reported in Reddit SEO threads. | Yes | |
| AI features Semrush bundles AI into every paid plan at no extra cost. Ahrefs sells Brand Radar standalone from $199/mo. | AI Content Helper, Brand Radar (separate) | Semrush Copilot (included) |
| Parent company Ahrefs remains privately held in Singapore. Adobe finished buying Semrush on April 28, 2026 for $1.9 billion in cash. Semrush says contracts and billing are unchanged for now. | Private, founder led since 2011 | Adobe company since April 28, 2026 |
Backlink index size
- Ahrefs
- 35 trillion links
- Semrush
- 43 trillion links
Semrush has overtaken Ahrefs on the headline figure as of 2026, though both refresh frequently and claim industry leadership. Reddit SEO thread consensus is that Ahrefs data quality remains the category benchmark, Semrush quantity is higher.
Keyword database
- Ahrefs
- 29 billion keywords across 10 search engines
- Semrush
- 26.8 billion keywords
Ahrefs covers more search engines natively, Semrush focuses on Google and Bing. For US small business SEO the overlap is ~95 percent.
Free plan
- Ahrefs
- Yes (Webmaster Tools, verified site owners only)
- Semrush
- Yes (limited, public)
Ahrefs Webmaster Tools is the more generous free product, but only for sites you can verify ownership of. Semrush free plan is open to anyone with a 10 keyword limit.
Free trial on paid plans
- Ahrefs
- Semrush
- 7 days
Semrush is the only one of the two with a real trial on Pro or Guru. Ahrefs relies on the free Webmaster Tools tier as the trial substitute.
Entry plan monthly price
- Ahrefs
- $29/mo Starter
- Semrush
- $139.95/mo Pro
Ahrefs Starter is the lowest entry in the category. Semrush has no equivalent tier below Pro.
Realistic small business tier
- Ahrefs
- $129/mo Lite (capped credits)
- Semrush
- $139.95/mo Pro (no credits)
Similar monthly cost. Ahrefs Lite includes a hard 500 monthly credit cap per user that limits research sessions. Semrush Pro has no credit system on any paid plan.
Native PPC research
- Ahrefs
- Semrush
Semrush includes Advertising Research, Display Advertising Research, and PLA Research on every paid plan. Ahrefs has no native paid ads research tool.
Content Marketing Toolkit
- Ahrefs
- Paid add on (Brand Radar from $199/mo)
- Semrush
- Included on Guru and above
Semrush Guru ships Topic Research, SEO Writing Assistant, and Content Audit. Ahrefs AI content is a separate subscription.
Social media tracking
- Ahrefs
- Semrush
Semrush Social is included on Guru and above, covers scheduling, analytics, and competitor tracking. Ahrefs does not cover social.
Daily rank tracking
- Ahrefs
- Weekly on most tiers, daily on Advanced and Enterprise
- Semrush
- Daily on every paid plan
Semrush ships daily updates at the Pro tier. Ahrefs requires Advanced ($449/mo) for daily rank refresh.
API access
- Ahrefs
- Enterprise only ($1,499/mo) or standalone $500+/mo
- Semrush
- Business tier ($499.95/mo)
Semrush API is roughly a third of the Ahrefs API cost when you need both SERP and volume data.
Integrations
- Ahrefs
- 35
- Semrush
- 80
Semrush integrates with more martech tools including Marketo and HubSpot natively, Ahrefs covers the essentials (Looker Studio, Search Console, Google Analytics).
24/7 phone support
- Ahrefs
- Semrush
- Yes
Semrush ships 24/7 phone support on all paid plans. Ahrefs support is chat and email only, with slow response times reported in Reddit SEO threads.
AI features
- Ahrefs
- AI Content Helper, Brand Radar (separate)
- Semrush
- Semrush Copilot (included)
Semrush bundles AI into every paid plan at no extra cost. Ahrefs sells Brand Radar standalone from $199/mo.
Parent company
- Ahrefs
- Private, founder led since 2011
- Semrush
- Adobe company since April 28, 2026
Ahrefs remains privately held in Singapore. Adobe finished buying Semrush on April 28, 2026 for $1.9 billion in cash. Semrush says contracts and billing are unchanged for now.
Ahrefs
Ahrefs has the deepest backlink database in SEO, but its credit-based pricing and a 1.8 Trustpilot score from 306 reviews demand careful evaluation before you subscribe.
- Pricing
- $0
- Rating
- 3.2 / 5
- Category
- SEO Tool
Pros
- Largest single vendor backlink index historically at 35 trillion links, with refresh intervals of 15 to 30 minutes that Reddit SEO consensus rates above the category.
- Keywords Explorer covers 29 billion keywords across 10 search engines, with genuinely useful difficulty scoring and SERP history for competitor analysis.
- Standard plan at $249 per month and above include unlimited credits, removing the usage friction that plagues lower tiers.
- Free Webmaster Tools tier lets you audit your own site and view limited backlink and keyword data without paying anything, more generous than the Semrush free plan for verified site owners.
- Privately held and founder led since 2011, product direction is predictable and focused on SEO depth rather than horizontal expansion.
Cons
- Trustpilot score of 1.8 from 306 reviews, driven by credit system complaints, account lockouts during normal use, and pricing frustration after the 2024 hikes.
- Lite plan at $129 per month imposes a 500 credit per month cap that experienced reviewers say can be exhausted in a single research session.
- 2024 price hikes raised costs 12 to 50 percent across all tiers, with the Enterprise plan jumping from $999 to $1,499 per month.
- No free trial for any paid plan and a strict no refund policy, so you commit before you can evaluate whether the credit limits fit your workflow.
- API access requires the Enterprise plan at $1,499 per month or a separate subscription starting at $500 per month, locking out smaller teams from programmatic data access.
Semrush
Semrush packs the largest keyword database in the industry, but its high price, single-user seats, and troubled cancellation process mean it is not the right fit for every founder.
- Pricing
- $139.95
- Rating
- 3.6 / 5
- Category
- SEO Tool
Pros
- Genuine all in one platform covering SEO, PPC research, content marketing, link building outreach, social media, and AI visibility tracking in a single subscription, which fits how a non specialist founder actually works.
- Largest keyword database in the industry at 26.8 billion keywords with search intent tagging, keyword clustering, and up to 3,000 reports per day on the Pro plan.
- More generous daily reporting limits than Ahrefs at comparable price points, with no credit based system eating into your research time.
- 7 day free trial on any paid plan and 24/7 phone support, both of which Ahrefs does not offer.
- Adobe has owned Semrush since April 28, 2026. Adobe plans to tie it into Experience Manager, Adobe Commerce and its LLM Optimizer, which helps teams already on Adobe.
Cons
- Trustpilot score of 2.1 from 1,222 reviews and a D minus BBB rating, both driven by cancellation friction and billing disputes. The two step cancellation process (form plus email confirmation link) has led to surprise charges for many users.
- Every plan includes only 1 user seat. Additional seats cost $45 to $100 per month each, which can double the effective price for a small team.
- Steep learning curve with a dense, feature heavy dashboard that multiple Capterra reviewers describe as overwhelming for solo business owners and beginners.
- Traffic and search volume estimates are Semrush's own modeled data, not pulled directly from Google. For lower volume keywords under roughly 1,000 monthly searches, numbers can diverge noticeably from Google Search Console.
Switching between them
- Export Ahrefs data. Site Explorer supports CSV export for backlinks (up to 100,000 rows per export), Keywords Explorer exports keyword lists, Rank Tracker exports position data. Batch exports overnight if you are on Lite or Starter, credits reset at midnight UTC.
- Set up the equivalent projects in Semrush. Pro gives you 5 projects, Guru 15, Business 40. Match project scope one to one, Semrush calls them "Projects" the same way Ahrefs does.
- Import target keyword lists into Semrush Position Tracking. Use the CSV import tool, map location, device, and language on import.
- Rebuild backlink monitoring in Semrush Backlink Audit. Import your disavow file if you have one, Semrush uses the same Google disavow format.
- Recreate content briefs in Semrush SEO Writing Assistant. Ahrefs Content Explorer queries do not map one to one, you may need to redo topic research.
- Pause or cancel Ahrefs before the next billing cycle. Ahrefs does not pro rate mid cycle cancellations and has a strict no refund policy.
- Realistic timeline 4 to 8 hours solo for a 5 to 10 site portfolio, a full day if you have years of historical Ahrefs reports to export and reconcile.
Who owns them
Ahrefs
- Founded
- 2011
- HQ
- Singapore
- Owner
- Private, founder Dmitry Gerasimenko
- Status
- private
Founded 2011 in Singapore by Dmitry Gerasimenko, engineering hub in Cyprus. No outside investors, no acquisition talk. Estimated 400 to 500 employees. 2024 price hikes raised costs 12 to 50 percent across all tiers, including Enterprise from $999 to $1,499 per month. Product strategy has stayed focused on SEO depth with Brand Radar as the 2025 AI expansion.
Semrush
- Founded
- 2008
- HQ
- Boston, Massachusetts
- Owner
- Adobe Inc. (NASDAQ ADBE), wholly owned since April 28, 2026
- Status
- Adobe subsidiary
Founded 2008 by Oleg Shchegolev and Dmitry Melnikov. It listed on the NYSE in March 2021 at $14 a share. Adobe announced a deal on November 19, 2025, all cash at $12 per share, worth $1.9 billion. Shareholders approved in February 2026. Adobe closed the deal on April 28, 2026. Semrush no longer trades under its own ticker. Semrush full year 2025 ARR was $471.4 million per its 8-K. Adobe plans to tie Semrush into Experience Manager, Adobe Commerce, Experience Platform and its LLM Optimizer. Semrush's customer FAQ says contracts and billing are unchanged for now.
For beginners
If you are a solo founder or small business owner just starting with SEO, default to Semrush Pro at $139.95 per month on a 7 day free trial. It bundles keyword research, site audit, competitor analysis, PPC research, content marketing, and social tracking in one subscription. The 7 day trial lets you test the dashboard before you pay, which Ahrefs does not offer at any price.
Consider Ahrefs Starter at $29 per month only if you own exactly one site, plan to track fewer than 50 keywords, and do not need PPC, content marketing, or social. At that profile Ahrefs Starter is the cheapest real SEO tool in the category. Everyone else should start on Semrush Pro and revisit Ahrefs only if a specific link building or backlink research workflow forces the upgrade.
For growing teams
Past 5 team members or $1M in annual revenue, the decision splits by workflow. If SEO is one of three marketing channels you run in house, Semrush Guru at $249.95 per month stays the right choice. It includes the Content Marketing Toolkit, Social, and daily rank tracking, and the dashboard handles 15 projects cleanly.
If SEO is the primary revenue driver and link building is where you spend most of your time, move to Ahrefs Standard at $249 per month (annual $208). Unlimited credits kick in at Standard, which removes the main Ahrefs friction point. Many scaleups run both tools in parallel once they cross $3M in revenue, which adds roughly $400 per month to the martech stack but covers every SEO workflow.
Budget realistically, a 3 to 5 person marketing team on Semrush Guru plus extra seats runs $400 to $500 per month all in, Ahrefs Standard with 2 extra seats is similar. Adobe's purchase of Semrush closed on April 28, 2026, and it is the 12 month wild card. Semrush says contracts and pricing are unchanged for now. If Adobe folds Semrush into Adobe Experience Cloud pricing, a tier restructure in 2027 is possible.
For enterprise
At 25 or more seats and multi country SEO programs, the conversation moves past both default plans. Ahrefs Enterprise at $1,499 per month ($1,249 on annual) includes 100 projects, 10,000 tracked keywords, 5,000,000 credits, API access, and SSO. Semrush Business at $499.95 per month includes 40 projects, 5,000 keywords, and API access, but custom Enterprise quotes are required past that.
Both tools compete for enterprise SEO teams, often selected alongside BrightEdge, Conductor, or seoClarity for the largest programs. The decision at this tier is usually about data accuracy, API throughput, and account team quality rather than dashboard features. Run a 30 day paid proof of concept with both and compare backlink freshness, keyword accuracy against Google Search Console, and support response times.
Adobe has owned Semrush since April 28, 2026. That matters most at this tier. If your company already runs Adobe Experience Cloud, Marketo Engage, or Adobe Analytics, a bundle or suite discount is possible once the tools connect. Adobe has announced no pricing yet. If you want to stay independent of the Adobe stack, Ahrefs is the safer long term bet.
FAQ
How we tested
Compared 2 products across pricing, features, support, and real user complaints.
We compared Ahrefs and Semrush on pricing, free tier availability, features, integrations, support, reputation, recent news, and affiliate economics. Prices were captured April 17, 2026 from both vendors pricing pages and cross checked against our internal service reviews. Where a fact could not be verified against a primary source, we flagged it in the research file rather than assert it here. Pros and cons are drawn verbatim from the production copy on our /reviews/ahrefs and /reviews/semrush pages, which are themselves sourced to vendor docs, Trustpilot and BBB counts, and independent reviews.
About the Author
Business Formation Researcher
Eliot leads StartupOwl's state data research. He maintains the site's fifty state records of LLC filing fees, annual costs, processing times, and small business grant programs, checking each figure against the state office that publishes it and logging the date it was verified. Based in New Jersey, he has spent his working life in and around small businesses, and he writes for the founder who wants the real number rather than the advertised one. Every figure under his byline traces to a named source, and when a state proves a number wrong, the correction is published, not buried.
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Questions about Ahrefs vs Semrush
4 comments
Priyanka S
September 24, 2026
if I commit to one and it turns out to be the wrong call, roughly what does moving across cost me in time?
StartupOwl StaffStartupOwl team
September 25, 2026
Four to eight hours going one way and six to twelve the other, and the page has an FAQ with the detail. The asymmetry is the useful part. Moving to Ahrefs is slower because there is no direct equivalent to the content, social and PPC modules, so you are not just importing data, you are deciding what to do without those. Both take CSV imports for keyword lists and link profiles.
Wei-Lin T.
September 5, 2026
Semrush looks pricier month to month. Is that just brand, or is there something in the Ahrefs number that has not shown up yet?
StartupOwl StaffStartupOwl team
September 7, 2026
There is something that has not shown up. On its lower tiers Ahrefs charges you in credits as well as in dollars. Starter carries 100 report credits a month and Lite 500 per user, and every Site Explorer or Keywords Explorer lookup spends them, so one focused afternoon can empty the pool. Unlimited credits begin at Standard, $249 a month as I write this. Semrush has no credit system on any paid plan, only a daily report cap that is much harder to reach. The other half of the gap is scope. Semrush Pro bundles PPC research, content tools and social alongside SEO, where Ahrefs is SEO depth and nothing else. Price the work you will actually run each week, not the headline.
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